Area Code Lookup
What Area Code Is Poolesville?
Area code 240 · Maryland
Poolesville uses area code 240. It is located in Maryland.
Area Code Serving Poolesville
Frequently Asked Questions
What area code is Poolesville?
Poolesville uses area code 240. It is located in Maryland.
How do I call Poolesville from outside the US?
To call Poolesville from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-240-XXX-XXXX). The +1 is the country code for all NANPA countries.